verb (used with object), flu·id·ized, flu·id·iz·ing.
  1. to make (something) fluid.
  2. Chemistry. to suspend or transport (finely divided particles) in a stream of gas or air.
verb (used without object), flu·id·ized, flu·id·iz·ing.
  1. to become fluid.
Also especially British, flu·id·ise.

Origin of fluidize

First recorded in 1850–55; fluid + -ize
Related formsflu·id·i·za·tion, nounflu·id·iz·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for fluidizer



  1. (tr) to make fluid, esp to make (solids) fluid by pulverizing them so that they can be transported in a stream of gas as if they were liquidsfluidized coal
Derived Formsfluidization or fluidisation, nounfluidizer or fluidiser, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012